consulate in benghazi today and set it on fire. witnesses say explosions were heard nearby and the men who attacked the american building were armed. there are conflicting reports about exactly how grave the attack was on the u.s. consulate. some are siting that a staffer, an american official was killed in the attack on the consulate. now while the state department has condemned the attack, officials are saying it's impossible to confirm the reporting about the potential death of a u.s. official in libya. at least at this time it is impossible to confirm it. nbc news is working to confirm that report. it's based on comments from a libyan official at this time. >>> also today in cairo, a group of protesters there breached the outer walls of the u.s. embassy in cairo. the embassy has been described as fortress-like. you can see that in some of the images. the protesters in cairo reportedly luted some of the buildings inside these outer walls after they breached the perimeter of the complex. they did definitely take down the american